65220298604798 has 4 divisors (see below), whose sum is σ = 97830447907200. Its totient is φ = 32610149302398.

The previous prime is 65220298604729. The next prime is 65220298604809. The reversal of 65220298604798 is 89740689202256.

It is a happy number.

65220298604798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16305074651198 + ... + 16305074651201.

It is an arithmetic number, because the mean of its divisors is an integer number (24457611976800).

Almost surely, 2^{65220298604798} is an apocalyptic number.

65220298604798 is a deficient number, since it is larger than the sum of its proper divisors (32610149302402).

65220298604798 is a wasteful number, since it uses less digits than its factorization.

65220298604798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32610149302401.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 65220298604798 in words is "sixty-five trillion, two hundred twenty billion, two hundred ninety-eight million, six hundred four thousand, seven hundred ninety-eight".